ferrule

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ferrule

, ferule
1. a metal ring, tube, or cap placed over the end of a stick, handle, or post for added strength or stability or to increase wear
2. a side opening in a pipe that gives access for inspection or cleaning
3. a bush, gland, small length of tube, etc., esp one used for making a joint

Ferrule

A metal cap placed at the end of a post for strength and protection against weathering of the end grain.

ferrule

[′fer·əl]
(design engineering)
A metal ring or cap attached to the end of a tool handle, post, or other device to strengthen and protect it.
A bushing inserted in the end of a boiler flue to spread and tighten it.
(engineering)

ferrule

A metal sleeve, esp. one which is fitted with a screwed plug; serves as an opening on the side of a pipe providing access for inspection or cleaning the interior of the pipe.

ferrule

A ceramic, plastic or stainless steel part of a fiber-optic plug that holds the end of the fiber and precisely aligns it to the socket. The fiber is inserted into the ferrule and cemented with an epoxy or adhesive, which gives it long-term mechanical strength and prevents contamination from the weather. Connectors may also use crimped ferrules that do not require cement. The ferrule is the most important and costly part of a fiber connector. If its length, hole centering and inside and outside diameters are not exact, a poor connection will result. See fiber optics glossary.


Fiber-Optic Ferrule
With the naked eye, one cannot see the tiny opening for the optical fiber. It is only visible under a magnifying glass. The epoxy or adhesive is squeezed into the ferrule before the fiber is inserted (bottom right).
References in periodicals archive ?
La diferencia con Culiacan, fue que en Mazatlan la primera y segunda generacion al ver la oportunidad politica--muerte de Canedo--se organizo y postulo a Jose Ferrel como candidato a gobernador y, posteriormente se sumaron a la lucha antirreleccionalista encabezada por Madero.
Jeff Ferrel (2010), por su parte, sostiene que la criminologia tradicional--podemos homologarlo a las distintas disciplinas sociales que estudian la violencia--ha sido colonizada por el desencantamiento weberiano de la modernidad, lo que trajo como consecuencia la deshumanizacion de los investigadores e investigados y dejo como resultado una practica cientifica signada por el "aburrimiento" (Ferrel, 2010).
Ferrel, W., 1886: Appendix 24: Report of Professor William Ferrel, assistant, on psychrometric tables for use in the signal service.
Coca-cola agreed to use its name for glassware, radios, trucks and clothing (Pride and Ferrel, 1991), Walt Disney's The Lion King licensed to more than 5000 different products in eighty different countries (Miller, 1994: 14).
Amherst O'Ferrel (always shown as Ferrel after arriving in Canada in 1797) appears in the Muster Roll of the Albany County Militia, Thirteenth Regiment.
Ferrel, et al (2002) explain that virtue ethics assumes that what current societal moral rules require may indeed be the moral minimum for the beginning of virtue.
"Gypsies are ferrel humans - we have no duty to them," she tweeted.
Desde entao, a responsabilidade social corporativa passou por outras conceituacoes ate chegar aquela em que e vista como parte do processo gerencial, incorporando a satisfacao dos diversos stakeholders por meio de acoes delimitadas pela etica (ALVES, 2003; MAIGNAN; FERREL, 2004; MORETTI; CAMPANARIO, 2009).
"But it is important for us to be in the community," said Ferrel, adding that it was their first time to partner with the annual festival with an outdoor educational activity.
They are (back row, from left): Joan Wilkinson, Valerie Alison, Joan Davis, Pauline Mulgrew, Josie Hutchinson, Dorothy McWilliams, Winnie Murphy, Helen Kallaghan, Audrey Mulligan, Veronica Noble, Anne Callaghan, Kathleen Mulholland and Norma Ferrel.